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# Copyright (C) 2012 by the Free Software Foundation, Inc.
#
# This file is part of GNU Mailman.
#
# GNU Mailman is free software: you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option)
# any later version.
#
# GNU Mailman is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
# more details.
#
# You should have received a copy of the GNU General Public License along with
# GNU Mailman. If not, see <http://www.gnu.org/licenses/>.
"""3.0b2 -> 3.0b3 schema migrations.
* bans.mailing_list -> bans.list_id
"""
from __future__ import absolute_import, print_function, unicode_literals
__metaclass__ = type
__all__ = [
'upgrade',
]
VERSION = '20121015000000'
def upgrade(database, store, version, module_path):
if database.TAG == 'sqlite':
upgrade_sqlite(database, store, version, module_path)
else:
upgrade_postgres(database, store, version, module_path)
def _make_listid(fqdn_listname):
list_name, at, mail_host = fqdn_listname.partition('@')
if at == '':
# If there is no @ sign in the value, assume it already contains the
# list-id.
return fqdn_listname
return '{0}.{1}'.format(list_name, mail_host)
def upgrade_sqlite(database, store, version, module_path):
database.load_schema(
store, version, 'sqlite_{0}_01.sql'.format(version), module_path)
results = store.execute("""
SELECT id, mailing_list
FROM ban;
""")
for id, mailing_list in results:
# Skip global bans since there's nothing to update.
if mailing_list is None:
continue
store.execute("""
UPDATE ban_backup SET list_id = '{0}'
WHERE id = {1};
""".format(_make_listid(mailing_list), id))
# Pivot the backup table to the real thing.
store.execute('DROP TABLE ban;')
store.execute('ALTER TABLE ban_backup RENAME TO ban;')
def upgrade_postgres(database, store, version, module_path):
# Get the old values from the ban table.
results = store.execute('SELECT id, mailing_list FROM ban;')
store.execute('ALTER TABLE ban ADD COLUMN list_id TEXT;')
for id, mailing_list in results:
# Skip global bans since there's nothing to update.
if mailing_list is None:
continue
store.execute("""
UPDATE ban SET list_id = '{0}'
WHERE id = {1};
""".format(_make_listid(mailing_list), id))
store.execute('ALTER TABLE ban DROP COLUMN mailing_list;')
# Record the migration in the version table.
database.load_schema(store, version, None, module_path)
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